Fixed AH macro; should work pretty well now

modules/macros.lua

@@ -168,8 +168,12 @@ end
 
 -- mass buyout
 local bought = {}
+local finished = false
+local last = nil
 function mod:AuctionHouseBuyout()
 	local selected = GetSelectedAuctionItem("list")
+	if last == selected and finished then return end
+	last, finished = selected, false
 	if selected>0 then 
 		local name,_,count,_,_,_,_,_,price = GetAuctionItemInfo("list", selected)
 		for j=50,1,-1 do
@@ -188,10 +192,12 @@ function mod:AuctionHouseBuyout()
 		-- no purchase made, buy selected
 		PlaceAuctionBid("list", selected, price)
 		self:Print("All auctions bought.")
+		finished = true
 	end
 end
 
 function mod:QueryAuctionItems()
+	finished = false
 	wipe(bought)
 end